2785473 has 12 divisors (see below), whose sum is σ = 4048980. Its totient is φ = 1845216.

The previous prime is 2785469. The next prime is 2785483. The reversal of 2785473 is 3745872.

It can be written as a sum of positive squares in 2 ways, for example, as 2585664 + 199809 = 1608^2 + 447^2 .

It is not a de Polignac number, because 2785473 - 2² = 2785469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2785423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 663 + ... + 2451.

It is an arithmetic number, because the mean of its divisors is an integer number (337415).

2^2785473 is an apocalyptic number.

It is an amenable number.

2785473 is a deficient number, since it is larger than the sum of its proper divisors (1263507).

2785473 is a wasteful number, since it uses less digits than its factorization.

2785473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1965 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2785473 is about 1668.9736367001. The cubic root of 2785473 is about 140.7017992353.

The spelling of 2785473 in words is "two million, seven hundred eighty-five thousand, four hundred seventy-three".